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Visual Comfort: The Art and Science of Specialty Lighting Design

Did you know that our Specialty Lighting Designers prioritize your visual comfort?

It’s true! We’re dedicated to creating lighting solutions that not only illuminate your spaces but also ensure you can perform tasks comfortably and without strain.

Let’s take a closer look at how we achieve this.

Invesco

A Holistic Approach to Lighting

Achieving visual comfort requires more than just selecting light fixtures; it involves a holistic view of the entire lighting environment. Our goal is to ensure that people can comfortably perform their activities without experiencing visual fatigue or discomfort. To do this, we start by asking key questions:

  • What activities take place in this space? Understanding the tasks performed helps us tailor the lighting design to support functionality.
  • What role does daylight play? Natural light is a critical element that we factor into our designs, ensuring harmony between artificial and natural illumination.
  • What is the desired perception of the space? Lighting can enhance the ambiance and purpose of a room, shaping how people feel and interact within it.

By answering these questions, we align our designs with the client’s vision and goals.

Sources of Glare

The Importance of Glare Management

One of the biggest challenges in lighting design is managing glare. But what exactly is glare? According to the International Commission on Illumination (CIE), glare is a “condition of vision in which there is discomfort or a reduction in the ability to see details or objects, caused by an unsuitable distribution or range of luminance, or by extreme contrasts.”

There are two types of glare to consider:

  1. Discomfort Glare: Causes discomfort without necessarily impairing the ability to see objects.
  2. Disability Glare: Impairs vision, making it difficult to see details or objects.

Understanding the distinction between these types of glare is essential in addressing both psychological and physiological aspects of visual comfort.

AGI glare metric conf room NB

Tools and Techniques for Visual Comfort

To mitigate glare and enhance comfort, we use advanced software tools to calculate glare metrics. These tools analyze data from luminaire photometric files to identify potential glare issues based on factors such as:

  • How light exits a luminaire
  • The angle and height of light fixtures
  • The light output and its distribution

Additionally, we consider the geometry of the space, furniture placement, and where users will be sitting or working. By integrating these factors, we create lighting plans that support both design objectives and human-centric needs.

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